The present invention provides a method for promoting hair growth and improving white hair condition, including supplying hydrogen and oxygen to scalp and hair. The present invention further provides a hear wearable device or a hairdressing apparatus for promoting hair growth and improving white hair condition, including a gas supply device, wherein the gas supply device includes a separation layer, a hydrogen-producing composition wrapped in the separation layer, and an oxygen-producing composition wrapped in the separation layer; the hydrogen-producing composition includes: (1) a metal hydroxide and aluminum powder, or (2) a metal peroxide and aluminum powder, or (3) a hydride, or (4) a combination of the three above; and the oxygen-producing composition includes a metal peroxide.

Disclosed are nanocomposite oxygen-generating cryogels and their uses in reducing hypoxia in a biological tissue, such as a tumor. Methods of treating cancer with the disclosed cryogels are also provided.

An oxygen generator uses a composition for generating oxygen and an acidic compound, with the composition for generating oxygen including an oxygen source, an ionic liquid, a metal oxide compound and optionally a basic compound. The oxygen source is a peroxide compound, the ionic liquid is in the liquid state at least in a temperature range from −10° C. to +50° C., the metal oxide compound is an oxide of a single metal or of two or more different metals which are from groups 2 to 14 of the periodic table of the elements. There is also described a method for decelerating or stopping the oxygen production from an oxygen generating composition, and a device for generating oxygen in a controlled manner.

A hydrogen-supplying breathable layer in the present disclosure comprises: a thin layer wrapping a hydrogen-producing formula inside, having an airtight outer side as well as an air-permeable inner side on which a plurality of micro pores are opened and featuring a monolayer or a composite layer; a hydrogen-producing formula wrapped inside the thin layer and not dissipated but absorbing moistures in air or liquid water for generation of hydrogen; hydrogen permeating a plurality of micro pores and released to skin and intra-corporal parts. The hydrogen-producing formula in the hydrogen-supplying breathable layer comprises metal peroxides (metal hydroxides or metal hydrides) and aluminum powders (or silica powders); the breathable layer is applicable to a dressing pack or other sanitary paraphernalia in daily lives for relieving non-bacteria inflammations and promoting health care effects.

The present invention relates generally in gaseous oxygen propulsion systems with solid-phase chemical oxygen generation for in-space propulsion systems. Chemical oxygen generation is provided by alkali metal chlorates, alkali metal perchlorates or metal peroxides.

An oxygen generator has a composition for generating oxygen and a basic compound. The composition for generating oxygen includes an oxygen source, an ionic liquid, a metal salt, and an optional basic compound. The oxygen source is a peroxide compound, the ionic liquid is in the liquid state at least in a temperature range from −10° C. to +50° C., the metal salt has one single metal or two or more different metals, and an organic and/or an inorganic anion. There is also described a method for starting or accelerating the oxygen production of an oxygen generating composition, and a device for generating oxygen in a controlled manner.

The various embodiments of the present invention disclose a modular portable oxygen generator including a reactor container having two vertical compartments, where one of the compartments houses a cartridge while another houses oxygen storage tank. The arrangement is provided with a mechanism to guide the oxygen generated in the cartridge after triggering to a defined outlet. The modular portable oxygen generator is light weight, easy to carry and easy to use with minimal maintenance as compared to heavy oxygen cylinders and generator.

An oxygen generator includes a bag body and supporting components. The bag body is configured to contain a reactive liquid, a reactant and a catalyst, and the bag body includes a bag piece, a circumferential sealing part and separation parts. The circumferential sealing part is bound with a part of the periphery of the bag piece, so as to define a range of an inner space, and a range of the rest part of the periphery of the bag piece defines an opening. Both ends of each separation part are connected to the circumferential sealing part so as to separate the inner space into a plurality of separate spaces, and the plurality of separate spaces respectively contain the reactant and the catalyst. The supporting components are contained in one of the plurality of separate spaces, and the positions, corresponding to the supporting components, of the bag body are incompressible.

An oxygen generator has a composition for generating oxygen and an acidic compound and/or a basic compound. The composition for generating oxygen includes an oxygen source, an ionic liquid, a metal oxide compound and/or a metal salt, and optionally a basic compound. The oxygen source is a peroxide compound, the ionic liquid is in the liquid state at least in a temperature range from 10 C. to +50 C., the metal oxide compound is an oxide of a single metal or of two or more different metals selected from the metals of groups 2 to 14 of the periodic table of the elements. The metal salt has a single metal or two or more different metals, and an organic and/or an inorganic anion. There is also described a method for controlling the oxygen production rate of the oxygen generator, and a device for generating oxygen in a controlled manner.

Certain exemplary embodiments can provide a system, machine, device, manufacture, and/or composition of matter adapted for and/or resulting from, and/or a method for, activities that can comprise and/or relate to contacting an aerobic contaminated gas stream with a solution comprising approximately Ferric MGDA, the aerobic contaminated gas stream comprising hydrogen sulfide.